Drinking cup cap



FIG. 1 is a perspective view of a drinking cup cap;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a right side view, the left side view being a mirror image thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines depict portions of the drinking cup cap that form no part of the claimed design. The shading lines that appear on and around the spout portion in FIGS. 1-5, indicate transparency. 

CLAIM The ornamental design for drinking cup cap, as shown and described. 